How we scored it
Where it comes from
Made by reacting hydroxyproline and aspartic acid, from protein hydrolysis or fermentation, with a synthetic methylsilanol reagent. No alternative route reported.
In plain English
A conditioning ingredient combining two natural amino acids from protein with a small silicon compound, used to soften skin and hair and reduce static.
CosIng definition: L-Proline, 5-hydroxy-, dihydroxymethylsilyl ester, reaction products with (S)-aminobutanedioic acid
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References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2METHYLSILANOL HYDROXYPROLINE ASPARTATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3METHYLSILANOL HYDROXYPROLINE ASPARTATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=METHYLSILANOL%20HYDROXYPROLINE%20ASPARTATE